Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303995 | Friction stir spot welder and method of operating friction stir spot welder | Yoshitaka MURAMATSU, Ryoji Ohashi | 2025-05-20 |
| 12202066 | Friction stir spot welding apparatus and joint structure | Yoshitaka MURAMATSU, Masahiro Miyake, Ryoji Ohashi | 2025-01-21 |
| 12168261 | Friction stir joining device, method of operating the same and joint structure | Ryoji Ohashi, Yoshitaka MURAMATSU, Takuya Fukuda | 2024-12-17 |
| 12064831 | Joining system, and method for operating same | Ryoji Ohashi, Yoshitaka MURAMATSU, Takuya Fukuda | 2024-08-20 |
| 8714629 | Construction machine | Tomoyuki Tanaka, Shogo Kimura | 2014-05-06 |
| D684607 | Operator cab for construction machine | Shigehisa Hagura, Tomoyuki Miyata, Tomoyuki Tanaka | 2013-06-18 |